Petrak, Fl. Bohem. Morav. Exs. PilzeF. Petrak [1-2575]
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University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0070466
Dr. F. Petrak #s.n.
Gloeocystidium lactescens (Berk.) Höhn. & Litsch.
Czech Republic, Bohemia, Mähr - Weisskirchen. Czernotin
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USDA United States National Fungus Collections
Catalog #: BPI 238743
Petrak F. s.n. 23 October 1924
Poria cinerascens Sacc. & P. Syd.
Czechoslovakia, Moravia, Hranice (Maehr.-weisskirchen), Podhorn
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